Crooks tends to protect his peace by putting a wall of dignity around him
He also has pride. He is not the descendent of slaves, he tells Lennie, but a descendant of landowners instead
In several places in the story, Steinbeck shows Crooks' dignity and pride when he draws himself up and will not "accept charity" from anyone
Lynchings were violent public acts that white people used to terrorize and control Black people in the 19th and 20th centuries, particularly in the South